Vulnerability in Canonical Apport
CVE-2020-15702
TOCTOU Race Condition vulnerability in apport allows a local attacker to escalate privileges and execute arbitrary code. An attacker may exit the crashed process and exploit PID recycling to spawn a root process with the same PID as the cr…
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
EPSS: 0.005 (39.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Canonical Apport — versions 2.20.1-0ubuntu2.8, 2.20.1-0ubuntu2, 2.20.1-0ubuntu1
- Canonical Ubuntu_linux — versions 20.04, 18.04, 16.04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@ubuntu.com (x_refsource_CONFIRM, Vendor Advisory)
- security@ubuntu.com (x_refsource_UBUNTU, vendor-advisory, Vendor Advisory)
- security@ubuntu.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- security@ubuntu.com (x_refsource_UBUNTU, vendor-advisory, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2020-15702?
- CVE-2020-15702 is a high-severity vulnerability in Canonical Apport, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.0/10. Published 2020-08-06.
- How severe is CVE-2020-15702?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2020-15702 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.